Magnesium Removal from Liquors of Laterite Leaching

被引：0
|
作者：
Liu, Kui [1 ]
Chen, Xingxin [1 ]
机构：
[1] Guangxi Normal Univ, Sch Chem & Chem Engn, Guilin 541004, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL TECHNOLOGIES, PTS 1-6 | 2013年 / 726-731卷
关键词：
basic magnesium carbonate; magnesium carbonate; magnesium hydrate; magnesium removal temperature; NICKEL;
D O I：
10.4028/www.scientific.net/AMR.726-731.2206
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, magnesium removal through reaction of alkaline liquors and magnesium cation in liquors of laterite leaching was investigated. Basic magnesium carbonate and magnesium carbonate with high filtration properties were obtained at 70 degrees C or above, whereas magnesium hydrate colloid existed in the products at temperatures below 70 degrees C, resulting in the difficulty of product filtration. When the molar ratio of Na2CO3 to Mg2+ was 2.25:1, the reaction temperature was 90-100 degrees C and the reaction time was 30min, nearly 100% magnesium was removed from liquors.
引用
收藏
页码：2206 / 2209
页数：4
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